<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>demo15</title>
    <script src="https://cdn.bootcss.com/echarts/4.4.0-rc.1/echarts.min.js"></script>

    <script src="https://unpkg.com/babel-standalone@6.15.0/babel.min.js"></script>
  </head>
  <body>
    <div id="app"></div>
    <script src="/bundle.js"></script>
  </body>
</htmL>
